Build USB Main repo
- Install apt-mirror
- sudo apt install apt-mirror
- Edit /etc/apt/mirrors.list
- sudo apt-mirror
Install wireless
- sudo apt install wireless-tools wpasupplicant
Generate SSH Keys
- ssh-keygen
- ssh-keygen -b 4096
Install dropbear
- sudo apt install busybox dropbear*
cryptroot <add client's public key to authorized keys and login as root>
- cat ~/.ssh/id_rsa.pub >> /etc/dropbear-initramfs/authorized_keys
- update-initramfs -u